Private period journal
CycleNest
Understand your own rhythm with a private period and wellbeing journal — no account, cloud, ads, or subscription.
CycleNest
Log periods, flow, symptoms, moods, and notes in a calm journal that works entirely offline.
iPhone, iPad
Local-first
A clear cycle calendar
Record period dates and review past cycles with conservative, explainable estimates based only on your history.
Gentle daily check-ins
Log flow, symptoms, mood, and an optional note without turning personal wellbeing into a medical score.
Private and yours
Everything stays on your device; export or erase it whenever you choose, with no account, ads, analytics, or tracking.
Privacy
Your data stays on your device
CycleNest is designed to work locally and privacy-first. Read the full privacy policy for details on what it does and doesn't collect.